[Hearing Aids with Noise Reduction] : hearing aids built-in intelligent chip and dual micphone own the function of multi-directional noise reduction . The chip divides sounds to different channel frequencies which improving noise cancellation and feedbacksuppression removal significantly . hearing aid that works for over 94% of Americans with mild to Severe hearing loss. Its advanced design allows almost anyone focused sound without the background noise. [Customizing your hearing with Hearing Test] : Smart APP for hearing aids comes with hearing test can check your degree of hearing loss to Automatically personalizes the settings for your specific hearing without going out to visit ologists.Recommendtake the hearing test in a quiet room at first time. it will test your right and left ears individually. and then it will generate accurate Hearing evaluation and Automatically keep your settings up to match up to your hearing. [Bluetooth Hearing Aids with Smart APP Control]:Hearing Aids can connect directly to smartphone apps by bluetooth, therefore. it's very easy to adjust the sound settings, programming mode and sound frequency on the button or APP. It will be more convenientfor Seniors who is not easy to dealing tiny things. On the other hands , it makes you easy to talk and listen on your cellphone without holding your smartphone up to your ear. Fully control of hearing experience by yourself. [Comfortable Wearing Experience]:The Hearing Aid is designed primarily for elderly. It's lightweight, with a comfortable ear hook. the tubing on this hearing amplifier fits the contour of your ear for easy and Fits great with glasses. A perfect gift forthe elderly to bring them back to normal life. So they will not miss the conversation with friends and family.